Rockwell Automation 1761 MicroLogix 1000 Programmable Controllers - Manual (Page 360)

Preface MicroLogix 1000 Programmable Controllers User Manual
E–10
Rung 4:3
➀
Is identical to the 2 previous rungs except that it is only active when
the ”hole selector switch” is in the ”7-hole” position.
| hole |hole 7 hole |
| selector |selector preset |
| switch |switch sequencer |
| bit 0 |bit 1 |
| I:0 I:0 +SQO–––––––––––––––+ |
|––––] [––––––––] [–––––––––––––––––––––+–+SEQUENCER OUTPUT +–(EN)–+–|
| 9 10 | |File #N7:62+–(DN) | |
| | |Mask FFFF| | |
| | |Dest N7:7| | |
| | |Control R6:6| | |
| | |Length 9| | |
| | |Position 0| | |
| | +––––––––––––––––––+ | |
| | force the | |
| | sequencer | |
| | to increment | |
| | on the next | |
| | scan | |
| | R6:6 | |
| +––––(U)––––––––––––––––––––+ |
| EN |
Rung 4:4
Ensures that the high-speed counter preset value (N7:7) is immediately
applied to the HSC instruction.
| High Speed Counter |
| +HSL–––––––––––––––+ |
|––––––––––––––––––––––––––––––––––––––––––––––––+HSC LOAD +–|
| |Counter C5:0| |
| |Source N7:5| |
| |Length 5| |
| +––––––––––––––––––+ |
Rung 4:5
Interrupt occurred due to low preset reached.
| C5:0 +RET–––––––––––––––+–|
|––––][––––––––––––––––––––––––––––––––––––––––––+RETURN + |
| IL +––––––––––––––––––+ |
➀
This rung accesses I/O only available with 32 I/O controllers. Do not include this rung if you are using a 16 I/O
controller.